{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["education institution", "place of birth", "education degree", "place of death"], "input": "and AIDS-related Stigma and Denial Helen Epstein  is author of The Invisible Cure: Why We Are Losing the Fight Against Aids in Africa. Dr. Epstein has a Ph.D. in biology from Cambridge University of California, Berkeley and writes regularly about AIDS and HIV for The New York Review of Books. The Invisible Cure was named one the 100 most notable books of 2007 by The New York Times. She is one of the world is leading authorities on the global AIDS epidemic."}
{"education institution": [{"subject": "Helen Epstein ", "object": "University of California, Berkeley"}], "place of birth": [], "education degree": [], "place of death": []}